L8-BO, L8-BO-F, branched Y6 improving packing, PCE >18%, CAS No. 2668341-40-8

1M L8-BO branched Y6 for interaction-diffusion v1r1

Congratulation to Dr. Yanming Sun’s new advancement in OPV, pushing up PCE in a single D-A system exceeding 18% by branching the bench-mark non-fullerene acceptor Y6.